30540161 has 8 divisors (see below), whose sum is σ = 31838400. Its totient is φ = 29258320.

The previous prime is 30540151. The next prime is 30540173. The reversal of 30540161 is 16104503.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 30540161 - 2¹⁴ = 30523777 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (30540101) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 221 + ... + 7818.

It is an arithmetic number, because the mean of its divisors is an integer number (3979800).

Almost surely, 2^30540161 is an apocalyptic number.

It is an amenable number.

30540161 is a deficient number, since it is larger than the sum of its proper divisors (1298239).

30540161 is a wasteful number, since it uses less digits than its factorization.

30540161 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8199.

The product of its (nonzero) digits is 360, while the sum is 20.

The square root of 30540161 is about 5526.3153185463. The cubic root of 30540161 is about 312.5770638741.

Adding to 30540161 its reverse (16104503), we get a palindrome (46644664).

The spelling of 30540161 in words is "thirty million, five hundred forty thousand, one hundred sixty-one".